A Course of Experimental Philosophy by S. Triboudet Demainbray in the year 1755. [Volume of lecture notes written for Prince of Wales (later George III) and later used by Queen Charlotte who married the King in 1761. The notes are written on rectos only with a few notes written on facing pages (corrections and additions). Text is partially theoretical, partly explanatory of the experiments; topics include gravitation, capillary attraction, colours, electricity, mechanics, watch work. 123pp. (used) + 3pp. index. In copyist's hand. Binding bears crowned cypher (of Queen Charlotte) on both sides]
Wharfedale Sand-Filled Corner Loudspeaker Enclosure, c. 1955, comprising 15 inch driver corner cabinet and separate top section containing the 8 and 3 inch drivers and the crossover circuit. Complete but the 15 inch driver is demounted and stored separately
